forked from OSchip/llvm-project
35 lines
1.5 KiB
LLVM
35 lines
1.5 KiB
LLVM
; RUN: opt < %s -pgo-icall-prom -S | FileCheck %s --check-prefix=ICALL-PROM
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; RUN: opt < %s -passes=pgo-icall-prom -S | FileCheck %s --check-prefix=ICALL-PROM
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@foo = common global i32 (i32, ...)* null, align 8
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define i32 @va_func(i32 %num, ...) {
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entry:
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ret i32 0
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}
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define i32 @bar() #1 {
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entry:
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%tmp = load i32 (i32, ...)*, i32 (i32, ...)** @foo, align 8
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; ICALL-PROM: [[BITCAST:%[0-9]+]] = bitcast i32 (i32, ...)* %tmp to i8*
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; ICALL-PROM: [[CMP:%[0-9]+]] = icmp eq i8* [[BITCAST]], bitcast (i32 (i32, ...)* @va_func to i8*)
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; ICALL-PROM: br i1 [[CMP]], label %if.true.direct_targ, label %if.false.orig_indirect, !prof [[BRANCH_WEIGHT:![0-9]+]]
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; ICALL-PROM:if.true.direct_targ:
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; ICALL-PROM: [[DIRCALL_RET:%[0-9]+]] = call i32 (i32, ...) @va_func(i32 3, i32 12, i32 22, i32 4)
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; ICALL-PROM: br label %if.end.icp
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%call = call i32 (i32, ...) %tmp(i32 3, i32 12, i32 22, i32 4), !prof !1
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; ICALL-PROM:if.false.orig_indirect:
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; ICALL-PROM: %call = call i32 (i32, ...) %tmp(i32 3, i32 12, i32 22, i32 4)
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; ICALL-PROM: br label %if.end.icp
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ret i32 %call
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; ICALL-PROM:if.end.icp:
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; ICALL-PROM: [[PHI_RET:%[0-9]+]] = phi i32 [ %call, %if.false.orig_indirect ], [ [[DIRCALL_RET]], %if.true.direct_targ ]
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; ICALL-PROM: ret i32 [[PHI_RET]]
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}
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!1 = !{!"VP", i32 0, i64 12345, i64 989055279648259519, i64 12345}
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; ICALL-PROM: [[BRANCH_WEIGHT]] = !{!"branch_weights", i32 12345, i32 0}
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