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https://github.com/c64scene-ar/llvm-6502.git
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This commit only handles IfConvertTriangle. To update edge weights of a successor, one interface is added to MachineBasicBlock: /// Set successor weight of a given iterator. setSuccWeight(succ_iterator I, uint32_t weight) An existing testing case test/CodeGen/Thumb2/v8_IT_5.ll is updated, since we now correctly update the edge weights, the cold block is placed at the end of the function and we jump to the cold block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200428 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
1.3 KiB
LLVM
65 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv8 | FileCheck %s
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; RUN: llc < %s -mtriple=thumbv7 -arm-restrict-it | FileCheck %s
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; CHECK: it ne
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; CHECK-NEXT: cmpne
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; CHECK-NEXT: bne [[JUMPTARGET:.LBB[0-9]+_[0-9]+]]
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; CHECK: cmp
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; CHECK-NEXT: beq
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; CHECK-NEXT: %if.else163
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; CHECK-NEXT: mov.w
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; CHECK-NEXT: b
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; CHECK-NEXT: %if.else145
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; CHECK-NEXT: mov.w
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; CHECK: [[JUMPTARGET]]:{{.*}}%if.else173
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%struct.hc = type { i32, i32, i32, i32 }
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define i32 @t(i32 %type) optsize {
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entry:
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br i1 undef, label %if.then, label %if.else
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if.then:
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unreachable
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if.else:
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br i1 undef, label %if.then15, label %if.else18
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if.then15:
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unreachable
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if.else18:
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switch i32 %type, label %if.else173 [
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i32 3, label %if.then115
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i32 1, label %if.then102
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]
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if.then102:
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br i1 undef, label %cond.true10.i, label %t.exit
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cond.true10.i:
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br label %t.exit
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t.exit:
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unreachable
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if.then115:
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br i1 undef, label %if.else163, label %if.else145
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if.else145:
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%call150 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34865152) optsize
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br label %while.body172
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if.else163:
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%call168 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34078720) optsize
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br label %while.body172
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while.body172:
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br label %while.body172
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if.else173:
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ret i32 -1
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}
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declare hidden fastcc %struct.hc* @foo(%struct.hc* nocapture, i32) nounwind optsize
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