[llvm] [RISCV][GISel] Add legalizer for G_UMAX, G_UMIN (PR #69150)
via llvm-commits
llvm-commits at lists.llvm.org
Sun Oct 15 23:52:19 PDT 2023
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-globalisel
Author: Shao-Ce SUN (sunshaoce)
<details>
<summary>Changes</summary>
Similar to #<!-- -->67577, Lower G_UMAX, G_UMIN.
---
Patch is 20.28 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/69150.diff
5 Files Affected:
- (modified) llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp (+1)
- (added) llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umax.mir (+112)
- (added) llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umin.mir (+112)
- (added) llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umax.mir (+109)
- (added) llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umin.mir (+109)
``````````diff
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
index 3ec33598848839a..b625b6b7c271ab1 100644
--- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
+++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
@@ -186,6 +186,7 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
}
getActionDefinitionsBuilder(G_ABS).lower();
+ getActionDefinitionsBuilder({G_UMAX, G_UMIN}).lower();
getActionDefinitionsBuilder(G_FRAME_INDEX).legalFor({p0});
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umax.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umax.mir
new file mode 100644
index 000000000000000..8dea2cb875073f4
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umax.mir
@@ -0,0 +1,112 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: umax_i8
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i8
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[AND]](s32), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s8) = G_TRUNC %0(s32)
+ %3:_(s8) = G_TRUNC %1(s32)
+ %4:_(s8) = G_UMAX %2, %3
+ %5:_(s32) = G_ZEXT %4(s8)
+ $x10 = COPY %5(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i16
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i16
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[AND]](s32), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s16) = G_TRUNC %0(s32)
+ %3:_(s16) = G_TRUNC %1(s32)
+ %4:_(s16) = G_UMAX %2, %3
+ %5:_(s32) = G_ZEXT %4(s16)
+ $x10 = COPY %5(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i32
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i32
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY]](s32), [[COPY1]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: $x10 = COPY [[SELECT]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s32) = G_UMAX %0, %1
+ $x10 = COPY %2(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i64
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i64
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $x12
+ ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $x13
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY1]](s32), [[COPY3]]
+ ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY3]]
+ ; CHECK-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY]](s32), [[COPY2]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP1]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[ICMP2]], [[ICMP]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C1]]
+ ; CHECK-NEXT: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[COPY2]]
+ ; CHECK-NEXT: $x10 = COPY [[SELECT1]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s32) = COPY $x12
+ %3:_(s32) = COPY $x13
+ %4:_(s64) = G_MERGE_VALUES %0(s32), %1(s32)
+ %5:_(s64) = G_MERGE_VALUES %2(s32), %3(s32)
+ %6:_(s64) = G_UMAX %4, %5
+ %7:_(s32) = G_TRUNC %6(s64)
+ $x10 = COPY %7(s32)
+ PseudoRET implicit $x10
+...
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umin.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umin.mir
new file mode 100644
index 000000000000000..cd180a2a5b329a6
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umin.mir
@@ -0,0 +1,112 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: umin_i8
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i8
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[AND]](s32), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s8) = G_TRUNC %0(s32)
+ %3:_(s8) = G_TRUNC %1(s32)
+ %4:_(s8) = G_UMIN %2, %3
+ %5:_(s32) = G_ZEXT %4(s8)
+ $x10 = COPY %5(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i16
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i16
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[AND]](s32), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s16) = G_TRUNC %0(s32)
+ %3:_(s16) = G_TRUNC %1(s32)
+ %4:_(s16) = G_UMIN %2, %3
+ %5:_(s32) = G_ZEXT %4(s16)
+ $x10 = COPY %5(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i32
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i32
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY]](s32), [[COPY1]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: $x10 = COPY [[SELECT]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s32) = G_UMIN %0, %1
+ $x10 = COPY %2(s32)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i64
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i64
+ ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $x12
+ ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $x13
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY1]](s32), [[COPY3]]
+ ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY3]]
+ ; CHECK-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY]](s32), [[COPY2]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP1]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[ICMP2]], [[ICMP]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C1]]
+ ; CHECK-NEXT: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[COPY2]]
+ ; CHECK-NEXT: $x10 = COPY [[SELECT1]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = COPY $x11
+ %2:_(s32) = COPY $x12
+ %3:_(s32) = COPY $x13
+ %4:_(s64) = G_MERGE_VALUES %0(s32), %1(s32)
+ %5:_(s64) = G_MERGE_VALUES %2(s32), %3(s32)
+ %6:_(s64) = G_UMIN %4, %5
+ %7:_(s32) = G_TRUNC %6(s64)
+ $x10 = COPY %7(s32)
+ PseudoRET implicit $x10
+...
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umax.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umax.mir
new file mode 100644
index 000000000000000..d0310e3e21ec93a
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umax.mir
@@ -0,0 +1,109 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv64 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: umax_i8
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i8
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s8) = G_TRUNC %0(s64)
+ %3:_(s8) = G_TRUNC %1(s64)
+ %4:_(s8) = G_UMAX %2, %3
+ %5:_(s64) = G_ZEXT %4(s8)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i16
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i16
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s16) = G_TRUNC %0(s64)
+ %3:_(s16) = G_TRUNC %1(s64)
+ %4:_(s16) = G_UMAX %2, %3
+ %5:_(s64) = G_ZEXT %4(s16)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i32
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i32
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s32) = G_TRUNC %0(s64)
+ %3:_(s32) = G_TRUNC %1(s64)
+ %4:_(s32) = G_UMAX %2, %3
+ %5:_(s64) = G_ZEXT %4(s32)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umax_i64
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umax_i64
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[COPY]](s64), [[COPY1]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: $x10 = COPY [[SELECT]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s64) = G_UMAX %0, %1
+ $x10 = COPY %2(s64)
+ PseudoRET implicit $x10
+...
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umin.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umin.mir
new file mode 100644
index 000000000000000..a0eec3298a5869b
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umin.mir
@@ -0,0 +1,109 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv64 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: umin_i8
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i8
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ult), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s8) = G_TRUNC %0(s64)
+ %3:_(s8) = G_TRUNC %1(s64)
+ %4:_(s8) = G_UMIN %2, %3
+ %5:_(s64) = G_ZEXT %4(s8)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i16
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i16
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ult), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s16) = G_TRUNC %0(s64)
+ %3:_(s16) = G_TRUNC %1(s64)
+ %4:_(s16) = G_UMIN %2, %3
+ %5:_(s64) = G_ZEXT %4(s16)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i32
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i32
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ult), [[AND]](s64), [[AND1]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
+ ; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = COPY $x11
+ %2:_(s32) = G_TRUNC %0(s64)
+ %3:_(s32) = G_TRUNC %1(s64)
+ %4:_(s32) = G_UMIN %2, %3
+ %5:_(s64) = G_ZEXT %4(s32)
+ $x10 = COPY %5(s64)
+ PseudoRET implicit $x10
+...
+
+---
+name: umin_i64
+body: |
+ bb.0.entry:
+ ; CHECK-LABEL: name: umin_i64
+ ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ult), [[COPY]](s64), [[COPY1]]
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C]]
+ ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/69150
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