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llvm-mirror/test/Transforms/PGOProfile/indirect_call_promotion.ll
Amy Huang 062b5d40cb Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

66 lines
3.2 KiB
LLVM

; RUN: opt < %s -pgo-icall-prom -S -icp-total-percent-threshold=50 | FileCheck %s --check-prefix=ICALL-PROM
; RUN: opt < %s -pgo-icall-prom -S -icp-samplepgo -icp-total-percent-threshold=50 | FileCheck %s --check-prefix=ICALL-PROM
; RUN: opt < %s -passes=pgo-icall-prom -S -icp-total-percent-threshold=50 | FileCheck %s --check-prefix=ICALL-PROM
; RUN: opt < %s -pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=0 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=PASS-REMARK
; RUN: opt < %s -passes=pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=0 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=PASS-REMARK
; RUN: opt < %s -passes=pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-remaining-percent-threshold=0 -icp-total-percent-threshold=20 -icp-max-prom=4 2>&1 | FileCheck %s --check-prefix=PASS2-REMARK
; PASS-REMARK: remark: <unknown>:0:0: Promote indirect call to func4 with count 1030 out of 1600
; PASS-REMARK: remark: <unknown>:0:0: Promote indirect call to func2 with count 410 out of 570
; PASS-REMARK: remark: <unknown>:0:0: Promote indirect call to func3 with count 150 out of 160
; PASS-REMARK: remark: <unknown>:0:0: Promote indirect call to func1 with count 10 out of 10
; PASS2-REMARK: remark: <unknown>:0:0: Promote indirect call to func4 with count 1030 out of 1600
; PASS2-REMARK: remark: <unknown>:0:0: Promote indirect call to func2 with count 410 out of 570
; PASS2-REMARK-NOT: remark: <unknown>:0:0: Promote indirect call to func3
; PASS2-REMARK-NOT: remark: <unknown>:0:0: Promote indirect call to func1
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@foo = common global i32 ()* null, align 8
define i32 @func1() {
entry:
ret i32 0
}
define i32 @func2() {
entry:
ret i32 1
}
define i32 @func3() {
entry:
ret i32 2
}
define i32 @func4() {
entry:
ret i32 3
}
define i32 @bar() {
entry:
%tmp = load i32 ()*, i32 ()** @foo, align 8
; ICALL-PROM: [[CMP:%[0-9]+]] = icmp eq i32 ()* %tmp, @func4
; ICALL-PROM: br i1 [[CMP]], label %if.true.direct_targ, label %if.false.orig_indirect, !prof [[BRANCH_WEIGHT:![0-9]+]]
; ICALL-PROM: if.true.direct_targ:
; ICALL-PROM: [[DIRCALL_RET:%[0-9]+]] = call i32 @func4()
; ICALL-PROM-SAMPLEPGO: call i32 @func4(), !prof [[CALL_METADATA:![0-9]+]]
; ICALL-PROM: br label %if.end.icp
%call = call i32 %tmp(), !prof !1
; ICALL-PROM: if.false.orig_indirect:
; ICALL-PROM: %call = call i32 %tmp(), !prof [[NEW_VP_METADATA:![0-9]+]]
ret i32 %call
; ICALL-PROM: if.end.icp:
; ICALL-PROM: [[PHI_RET:%[0-9]+]] = phi i32 [ %call, %if.false.orig_indirect ], [ [[DIRCALL_RET]], %if.true.direct_targ ]
; ICALL-PROM: ret i32 [[PHI_RET]]
}
!1 = !{!"VP", i32 0, i64 1600, i64 7651369219802541373, i64 1030, i64 -4377547752858689819, i64 410, i64 -6929281286627296573, i64 150, i64 -2545542355363006406, i64 10}
; ICALL-PROM: [[BRANCH_WEIGHT]] = !{!"branch_weights", i32 1030, i32 570}
; ICALL-PROM: [[NEW_VP_METADATA]] = !{!"VP", i32 0, i64 570, i64 -4377547752858689819, i64 410}
; ICALL-PROM-SAMPLEPGO: [[CALL_METADATA]] = !{!"branch_weights", i32 1030}