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28ddad394b
Summary: Removed unwanted --check-prefix=CHECK from numerous unit tests. Reviewers: t.p.northover, dblaikie, uweigand, MatzeB, tstellarAMD, mcrosier Subscribers: mcrosier, dsanders Differential Revision: http://reviews.llvm.org/D19279 llvm-svn: 266834
93 lines
2.1 KiB
LLVM
93 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=i686-pc-gnu-linux < %s | FileCheck %s
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; RUN: llc -mtriple=i686-pc-gnu-linux -print-machineinstrs=expand-isel-pseudos %s -o /dev/null 2>&1 | FileCheck %s -check-prefix=CHECK-JT-PROB
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; An unreachable default destination is replaced with the most popular case label.
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define void @foo(i32 %x, i32* %to) {
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; CHECK-LABEL: foo:
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; CHECK: movl 4(%esp), [[REG:%e[a-z]{2}]]
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; CHECK: cmpl $3, [[REG]]
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; CHECK: ja .LBB0_6
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; CHECK-NEXT: # BB#1:
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; CHECK-NEXT: jmpl *.LJTI0_0(,[[REG]],4)
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; CHECK: movl $4
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; CHECK: retl
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entry:
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switch i32 %x, label %default [
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i32 0, label %bb0
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i32 1, label %bb1
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i32 2, label %bb2
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i32 3, label %bb3
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i32 4, label %bb4
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i32 5, label %bb4
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]
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bb0:
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store i32 0, i32* %to
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br label %exit
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bb1:
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store i32 1, i32* %to
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br label %exit
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bb2:
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store i32 2, i32* %to
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br label %exit
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bb3:
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store i32 3, i32* %to
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br label %exit
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bb4:
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store i32 4, i32* %to
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br label %exit
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exit:
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ret void
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default:
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unreachable
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; The jump table has four entries.
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; CHECK-LABEL: .LJTI0_0:
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; CHECK-NEXT: .long .LBB0_2
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; CHECK-NEXT: .long .LBB0_3
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; CHECK-NEXT: .long .LBB0_4
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; CHECK-NEXT: .long .LBB0_5
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}
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; Check if branch probabilities are correctly assigned to the jump table.
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define void @bar(i32 %x, i32* %to) {
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; CHECK-JT-PROB-LABEL: bar:
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; CHECK-JT-PROB: Successors according to CFG: BB#6({{[0-9a-fx/= ]+}}14.29%) BB#8({{[0-9a-fx/= ]+}}85.71%)
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; CHECK-JT-PROB: Successors according to CFG: BB#1({{[0-9a-fx/= ]+}}16.67%) BB#2({{[0-9a-fx/= ]+}}16.67%) BB#3({{[0-9a-fx/= ]+}}16.67%) BB#4({{[0-9a-fx/= ]+}}16.67%) BB#5({{[0-9a-fx/= ]+}}33.33%)
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entry:
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switch i32 %x, label %default [
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i32 0, label %bb0
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i32 1, label %bb1
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i32 2, label %bb2
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i32 3, label %bb3
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i32 4, label %bb4
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i32 5, label %bb4
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], !prof !1
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bb0:
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store i32 0, i32* %to
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br label %exit
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bb1:
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store i32 1, i32* %to
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br label %exit
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bb2:
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store i32 2, i32* %to
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br label %exit
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bb3:
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store i32 3, i32* %to
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br label %exit
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bb4:
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store i32 4, i32* %to
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br label %exit
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default:
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store i32 5, i32* %to
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br label %exit
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exit:
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ret void
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}
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!1 = !{!"branch_weights", i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16}
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