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https://github.com/RPCS3/llvm-mirror.git
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b0b3d4c99d
Summary: This adds a new kind of operand bundle to LLVM denoted by the `"gc-transition"` tag. Inputs to `"gc-transition"` operand bundle are lowered into the "transition args" section of `gc.statepoint` by `RewriteStatepointsForGC`. This removes the last bit of functionality that was unsupported in the deopt bundle based code path in `RewriteStatepointsForGC`. Reviewers: pgavlin, JosephTremoulet, reames Subscribers: sanjoy, mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D16342 llvm-svn: 258338
63 lines
2.1 KiB
LLVM
63 lines
2.1 KiB
LLVM
; RUN: not opt -verify < %s 2>&1 | FileCheck %s
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; Operand bundles uses are like regular uses, and need to be dominated
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; by their defs.
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declare void @g()
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define void @f0(i32* %ptr) {
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; CHECK: Instruction does not dominate all uses!
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; CHECK-NEXT: %x = add i32 42, 1
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; CHECK-NEXT: call void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.000000e+00, i64 100, i32 %l) ]
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entry:
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%l = load i32, i32* %ptr
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call void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.0, i64 100, i32 %l) ]
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%x = add i32 42, 1
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ret void
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}
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define void @f1(i32* %ptr) personality i8 3 {
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; CHECK: Instruction does not dominate all uses!
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; CHECK-NEXT: %x = add i32 42, 1
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; CHECK-NEXT: invoke void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.000000e+00, i64 100, i32 %l) ]
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entry:
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%l = load i32, i32* %ptr
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invoke void @g() [ "foo"(i32 42, i64 100, i32 %x), "bar"(float 0.0, i64 100, i32 %l) ] to label %normal unwind label %exception
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exception:
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%cleanup = landingpad i8 cleanup
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br label %normal
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normal:
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%x = add i32 42, 1
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ret void
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}
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define void @f_deopt(i32* %ptr) {
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; CHECK: Multiple deopt operand bundles
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; CHECK-NEXT: call void @g() [ "deopt"(i32 42, i64 100, i32 %x), "deopt"(float 0.000000e+00, i64 100, i32 %l) ]
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; CHECK-NOT: call void @g() [ "deopt"(i32 42, i64 120, i32 %x) ]
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entry:
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%l = load i32, i32* %ptr
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call void @g() [ "deopt"(i32 42, i64 100, i32 %x), "deopt"(float 0.0, i64 100, i32 %l) ]
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call void @g() [ "deopt"(i32 42, i64 120) ] ;; The verifier should not complain about this one
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%x = add i32 42, 1
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ret void
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}
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define void @f_gc_transition(i32* %ptr) {
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; CHECK: Multiple gc-transition operand bundles
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; CHECK-NEXT: call void @g() [ "gc-transition"(i32 42, i64 100, i32 %x), "gc-transition"(float 0.000000e+00, i64 100, i32 %l) ]
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; CHECK-NOT: call void @g() [ "gc-transition"(i32 42, i64 120, i32 %x) ]
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entry:
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%l = load i32, i32* %ptr
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call void @g() [ "gc-transition"(i32 42, i64 100, i32 %x), "gc-transition"(float 0.0, i64 100, i32 %l) ]
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call void @g() [ "gc-transition"(i32 42, i64 120) ] ;; The verifier should not complain about this one
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%x = add i32 42, 1
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ret void
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}
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