310e798757
Avoid introducing `ProxyReg` and `MOV` nodes during ISel when lowering `bitconvert` or similar operations. These nodes are all erased by a later pass but not introducing them in the first place is simpler and likely saves compile time. Also remove redundant `MOV` instruction definitions.
59 lines
2.0 KiB
LLVM
59 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -O3 -mtriple=nvptx64 -enable-misched %s -o - | FileCheck %s
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target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64-nvidia-cuda"
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define ptx_kernel void @wombat(i32 %arg, i32 %arg1, i32 %arg2) {
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; CHECK-LABEL: wombat(
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; CHECK: {
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; CHECK-NEXT: .reg .b32 %r<11>;
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; CHECK-NEXT: .reg .b64 %rd<2>;
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; CHECK-NEXT: .reg .f64 %fd<6>;
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; CHECK-EMPTY:
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; CHECK-NEXT: // %bb.0: // %bb
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; CHECK-NEXT: ld.param.u32 %r4, [wombat_param_2];
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; CHECK-NEXT: ld.param.u32 %r3, [wombat_param_1];
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; CHECK-NEXT: ld.param.u32 %r2, [wombat_param_0];
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; CHECK-NEXT: mov.b32 %r10, 0;
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; CHECK-NEXT: $L__BB0_1: // %bb3
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; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: { // callseq 0, 0
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; CHECK-NEXT: .param .b64 param0;
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; CHECK-NEXT: st.param.f64 [param0], 0d0000000000000000;
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; CHECK-NEXT: .param .b64 retval0;
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; CHECK-NEXT: call.uni (retval0),
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; CHECK-NEXT: quux,
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; CHECK-NEXT: (
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; CHECK-NEXT: param0
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; CHECK-NEXT: );
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; CHECK-NEXT: ld.param.f64 %fd1, [retval0];
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; CHECK-NEXT: } // callseq 0
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; CHECK-NEXT: mul.lo.s32 %r7, %r10, %r3;
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; CHECK-NEXT: or.b32 %r8, %r4, %r7;
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; CHECK-NEXT: mul.lo.s32 %r9, %r2, %r8;
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; CHECK-NEXT: cvt.rn.f64.s32 %fd3, %r9;
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; CHECK-NEXT: cvt.rn.f64.u32 %fd4, %r10;
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; CHECK-NEXT: add.rn.f64 %fd5, %fd4, %fd3;
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; CHECK-NEXT: mov.b64 %rd1, 0;
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; CHECK-NEXT: st.global.f64 [%rd1], %fd5;
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; CHECK-NEXT: mov.b32 %r10, 1;
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; CHECK-NEXT: bra.uni $L__BB0_1;
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bb:
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br label %bb3
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bb3: ; preds = %bb3, %bb
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%phi = phi i32 [ 0, %bb ], [ 1, %bb3 ]
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%call = tail call double @quux(double 0.000000e+00)
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%mul = mul i32 %phi, %arg1
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%or = or i32 %arg2, %mul
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%mul4 = mul i32 %arg, %or
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%sitofp = sitofp i32 %mul4 to double
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%uitofp = uitofp i32 %phi to double
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%fadd = fadd double %uitofp, %sitofp
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store double %fadd, ptr addrspace(1) null, align 8
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br label %bb3
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}
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declare double @quux(double)
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