[llvm] 1cd6454 - [Test] Add test demonstating how deopt bundle constants may be merged into instruction

[Max Kazantsev via llvm-commits]

Author: Max Kazantsev
Date: 2022-02-15T20:28:41+07:00
New Revision: 1cd6454ade3953a9e9a71b4c832bed9857bf5ef2

URL: https://github.com/llvm/llvm-project/commit/1cd6454ade3953a9e9a71b4c832bed9857bf5ef2
DIFF: https://github.com/llvm/llvm-project/commit/1cd6454ade3953a9e9a71b4c832bed9857bf5ef2.diff

LOG: [Test] Add test demonstating how deopt bundle constants may be merged into instruction

Added: 
    llvm/test/Transforms/SimplifyCFG/merge-deopt-bundle-constants.ll

Modified: 
    

Removed: 
    


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diff  --git a/llvm/test/Transforms/SimplifyCFG/merge-deopt-bundle-constants.ll b/llvm/test/Transforms/SimplifyCFG/merge-deopt-bundle-constants.ll
new file mode 100644
index 0000000000000..143d62be9b276
--- /dev/null
+++ b/llvm/test/Transforms/SimplifyCFG/merge-deopt-bundle-constants.ll
@@ -0,0 +1,99 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=simplifycfg -sink-common-insts -S | FileCheck %s
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @test_01(i1 %cond) gc "statepoint-example" personality i32* ()* @zot {
+; CHECK-LABEL: @test_01(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[COND:%.*]], i32 0, i32 1
+; CHECK-NEXT:    [[TMP4:%.*]] = call i8* @wibble()
+; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i8* [[TMP4]] to i8 addrspace(1)* (i8 addrspace(1)*)*
+; CHECK-NEXT:    [[TMP0:%.*]] = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* [[TMP5]](i8 addrspace(1)* undef) [ "deopt"(i32 [[DOT]]) ]
+; CHECK-NEXT:    to label [[BB8_CONT:%.*]] unwind label [[BB13:%.*]]
+; CHECK:       bb8.cont:
+; CHECK-NEXT:    unreachable
+; CHECK:       bb13:
+; CHECK-NEXT:    [[TMP14:%.*]] = landingpad { i8*, i32 }
+; CHECK-NEXT:    cleanup
+; CHECK-NEXT:    ret void
+;
+bb:
+  br i1 %cond, label %bb3, label %bb8
+
+bb1:                                              ; preds = %bb13
+  ret void
+
+bb3:                                              ; preds = %bb
+  %tmp4 = call i8* @wibble()
+  %tmp5 = bitcast i8* %tmp4 to i8 addrspace(1)* (i8 addrspace(1)*)*
+  %tmp6 = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* %tmp5(i8 addrspace(1)* undef) [ "deopt"(i32 0) ]
+  to label %bb7 unwind label %bb13
+
+bb7:                                              ; preds = %bb3
+  unreachable
+
+bb8:                                              ; preds = %bb
+  %tmp9 = call i8* @wibble()
+  %tmp10 = bitcast i8* %tmp9 to i8 addrspace(1)* (i8 addrspace(1)*)*
+  %tmp11 = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* %tmp10(i8 addrspace(1)* undef) [ "deopt"(i32 1) ]
+  to label %bb12 unwind label %bb13
+
+bb12:                                             ; preds = %bb8
+  unreachable
+
+bb13:                                             ; preds = %bb8, %bb3
+  %tmp14 = landingpad { i8*, i32 }
+  cleanup
+  br label %bb1
+}
+
+define void @test_02(i1 %cond) gc "statepoint-example" personality i32* ()* @zot {
+; CHECK-LABEL: @test_02(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    [[TMP4:%.*]] = call i8* @wibble()
+; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i8* [[TMP4]] to i8 addrspace(1)* (i8 addrspace(1)*)*
+; CHECK-NEXT:    [[TMP0:%.*]] = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* [[TMP5]](i8 addrspace(1)* undef) [ "deopt"(i32 0) ]
+; CHECK-NEXT:    to label [[BB8_CONT:%.*]] unwind label [[BB13:%.*]]
+; CHECK:       bb8.cont:
+; CHECK-NEXT:    unreachable
+; CHECK:       bb13:
+; CHECK-NEXT:    [[TMP14:%.*]] = landingpad { i8*, i32 }
+; CHECK-NEXT:    cleanup
+; CHECK-NEXT:    ret void
+;
+bb:
+  br i1 %cond, label %bb3, label %bb8
+
+bb1:                                              ; preds = %bb13
+  ret void
+
+bb3:                                              ; preds = %bb
+  %tmp4 = call i8* @wibble()
+  %tmp5 = bitcast i8* %tmp4 to i8 addrspace(1)* (i8 addrspace(1)*)*
+  %tmp6 = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* %tmp5(i8 addrspace(1)* undef) [ "deopt"(i32 0) ]
+  to label %bb7 unwind label %bb13
+
+bb7:                                              ; preds = %bb3
+  unreachable
+
+bb8:                                              ; preds = %bb
+  %tmp9 = call i8* @wibble()
+  %tmp10 = bitcast i8* %tmp9 to i8 addrspace(1)* (i8 addrspace(1)*)*
+  %tmp11 = invoke align 8 dereferenceable_or_null(8) i8 addrspace(1)* %tmp10(i8 addrspace(1)* undef) [ "deopt"(i32 0) ]
+  to label %bb12 unwind label %bb13
+
+bb12:                                             ; preds = %bb8
+  unreachable
+
+bb13:                                             ; preds = %bb8, %bb3
+  %tmp14 = landingpad { i8*, i32 }
+  cleanup
+  br label %bb1
+}
+
+
+declare i32* @zot()
+
+declare i8* @wibble()