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https://github.com/RPCS3/llvm-mirror.git
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92f45597fa
Summary: Implements fastLowerArguments() to avoid the need to fall back on SelectionDAG for 0-4 argument functions that don't do tricky things like passing double in a pair of i32's. This allows us to move all except one test to -fast-isel-abort=3. The remaining one has function prototypes of the form 'i32 (i32, double, double)' which requires floats to be passed in GPR's. The previous commit had an uninitialized variable that caused the incoming argument region to have undefined size. This has been fixed. Reviewers: sdardis Subscribers: dsanders, llvm-commits, sdardis Differential Revision: https://reviews.llvm.org/D22680 llvm-svn: 277136
109 lines
3.6 KiB
LLVM
109 lines
3.6 KiB
LLVM
; RUN: llc -march=mipsel -relocation-model=pic -O0 -fast-isel-abort=3 -mcpu=mips32r2 \
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; RUN: < %s | FileCheck %s
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@i = global i32 75, align 4
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@s = global i16 -345, align 2
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@c = global i8 118, align 1
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@f = global float 0x40BE623360000000, align 4
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@d = global double 1.298330e+03, align 8
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; Function Attrs: nounwind
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define i32 @reti() {
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entry:
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; CHECK-LABEL: reti:
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%0 = load i32, i32* @i, align 4
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ret i32 %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_I_ADDR:[0-9]+]], %got(i)($[[REG_GP]])
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; CHECK: lw $2, 0($[[REG_I_ADDR]])
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define i16 @retus() {
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entry:
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; CHECK-LABEL: retus:
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%0 = load i16, i16* @s, align 2
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ret i16 %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_S_ADDR:[0-9]+]], %got(s)($[[REG_GP]])
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; CHECK: lhu $2, 0($[[REG_S_ADDR]])
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define signext i16 @rets() {
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entry:
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; CHECK-LABEL: rets:
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%0 = load i16, i16* @s, align 2
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ret i16 %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_S_ADDR:[0-9]+]], %got(s)($[[REG_GP]])
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; CHECK: lhu $[[REG_S:[0-9]+]], 0($[[REG_S_ADDR]])
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; CHECK: seh $2, $[[REG_S]]
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define i8 @retuc() {
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entry:
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; CHECK-LABEL: retuc:
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%0 = load i8, i8* @c, align 1
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ret i8 %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_C_ADDR:[0-9]+]], %got(c)($[[REG_GP]])
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; CHECK: lbu $2, 0($[[REG_C_ADDR]])
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define signext i8 @retc() {
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entry:
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; CHECK-LABEL: retc:
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%0 = load i8, i8* @c, align 1
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ret i8 %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_C_ADDR:[0-9]+]], %got(c)($[[REG_GP]])
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; CHECK: lbu $[[REG_C:[0-9]+]], 0($[[REG_C_ADDR]])
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; CHECK: seb $2, $[[REG_C]]
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define float @retf() {
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entry:
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; CHECK-LABEL: retf:
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%0 = load float, float* @f, align 4
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ret float %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_F_ADDR:[0-9]+]], %got(f)($[[REG_GP]])
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; CHECK: lwc1 $f0, 0($[[REG_F_ADDR]])
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; CHECK: jr $ra
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}
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; Function Attrs: nounwind
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define double @retd() {
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entry:
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; CHECK-LABEL: retd:
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%0 = load double, double* @d, align 8
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ret double %0
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; CHECK: lui $[[REG_GPa:[0-9]+]], %hi(_gp_disp)
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; CHECK: addiu $[[REG_GPb:[0-9]+]], $[[REG_GPa]], %lo(_gp_disp)
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; CHECK: addu $[[REG_GP:[0-9]+]], $[[REG_GPb]], $25
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; CHECK: lw $[[REG_D_ADDR:[0-9]+]], %got(d)($[[REG_GP]])
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; CHECK: ldc1 $f0, 0($[[REG_D_ADDR]])
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; CHECK: jr $ra
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}
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