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b21e3597b5
Fix minor bugs and uses of undef which break when pointer related optimization passes are run. llvm-svn: 269944
37 lines
864 B
LLVM
37 lines
864 B
LLVM
; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s
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; CHECK-LABEL: {{^}}main:
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; CHECK: LOOP_START_DX10
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; CHECK: ALU_PUSH_BEFORE
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; CHECK: LOOP_START_DX10
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; CHECK: PUSH
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; CHECK-NOT: ALU_PUSH_BEFORE
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; CHECK: END_LOOP
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; CHECK: END_LOOP
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define amdgpu_ps void @main (<4 x float> inreg %reg0) {
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entry:
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br label %outer_loop
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outer_loop:
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%cnt = phi i32 [0, %entry], [%cnt_incr, %inner_loop]
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%cond = icmp eq i32 %cnt, 16
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br i1 %cond, label %outer_loop_body, label %exit
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outer_loop_body:
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%cnt_incr = add i32 %cnt, 1
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br label %inner_loop
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inner_loop:
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%cnt2 = phi i32 [0, %outer_loop_body], [%cnt2_incr, %inner_loop_body]
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%n = load volatile i32, i32 addrspace(1)* undef
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%cond2 = icmp slt i32 %cnt2, %n
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br i1 %cond2, label %inner_loop_body, label %outer_loop
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inner_loop_body:
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%cnt2_incr = add i32 %cnt2, 1
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br label %inner_loop
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exit:
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ret void
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}
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