[llvm] 0592de5 - [NFC][SCEV] Add tests for @llvm.*.sat intrinsics

[Roman Lebedev via llvm-commits]

Author: Roman Lebedev
Date: 2020-09-21T20:25:53+03:00
New Revision: 0592de550f5c9ca9de44ed2c5c549f6a3b1c32b7

URL: https://github.com/llvm/llvm-project/commit/0592de550f5c9ca9de44ed2c5c549f6a3b1c32b7
DIFF: https://github.com/llvm/llvm-project/commit/0592de550f5c9ca9de44ed2c5c549f6a3b1c32b7.diff

LOG: [NFC][SCEV] Add tests for @llvm.*.sat intrinsics

Added: 
    llvm/test/Analysis/ScalarEvolution/saturating-intrinsics.ll

Modified: 
    

Removed: 
    


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diff  --git a/llvm/test/Analysis/ScalarEvolution/saturating-intrinsics.ll b/llvm/test/Analysis/ScalarEvolution/saturating-intrinsics.ll
new file mode 100644
index 000000000000..b49cc710892a
--- /dev/null
+++ b/llvm/test/Analysis/ScalarEvolution/saturating-intrinsics.ll
@@ -0,0 +1,76 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution < %s | FileCheck %s
+; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s
+
+declare i32 @llvm.uadd.sat.i32(i32, i32)
+declare i32 @llvm.sadd.sat.i32(i32, i32)
+declare i32 @llvm.usub.sat.i32(i32, i32)
+declare i32 @llvm.ssub.sat.i32(i32, i32)
+declare i32 @llvm.ushl.sat.i32(i32, i32)
+declare i32 @llvm.sshl.sat.i32(i32, i32)
+
+define i32 @uadd_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'uadd_sat'
+; CHECK-NEXT:  Classifying expressions for: @uadd_sat
+; CHECK-NEXT:    %z = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @uadd_sat
+;
+  %z = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}
+
+define i32 @sadd_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'sadd_sat'
+; CHECK-NEXT:  Classifying expressions for: @sadd_sat
+; CHECK-NEXT:    %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @sadd_sat
+;
+  %z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}
+
+define i32 @usub_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'usub_sat'
+; CHECK-NEXT:  Classifying expressions for: @usub_sat
+; CHECK-NEXT:    %z = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @usub_sat
+;
+  %z = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}
+
+define i32 @ssub_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'ssub_sat'
+; CHECK-NEXT:  Classifying expressions for: @ssub_sat
+; CHECK-NEXT:    %z = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @ssub_sat
+;
+  %z = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}
+
+define i32 @ushl_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'ushl_sat'
+; CHECK-NEXT:  Classifying expressions for: @ushl_sat
+; CHECK-NEXT:    %z = call i32 @llvm.ushl.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @ushl_sat
+;
+  %z = call i32 @llvm.ushl.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}
+
+define i32 @sshl_sat(i32 %x, i32 %y) {
+; CHECK-LABEL: 'sshl_sat'
+; CHECK-NEXT:  Classifying expressions for: @sshl_sat
+; CHECK-NEXT:    %z = call i32 @llvm.sshl.sat.i32(i32 %x, i32 %y)
+; CHECK-NEXT:    --> %z U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @sshl_sat
+;
+  %z = call i32 @llvm.sshl.sat.i32(i32 %x, i32 %y)
+  ret i32 %z
+}