2011-11-14-EarlyClobber.ll
3.13 KB
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; RUN: llc < %s -mcpu=cortex-a8 -verify-regalloc
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios"
; This test calls shrinkToUses with an early-clobber redefined live range during
; spilling.
;
; Shrink: %47,1.158257e-02 = [384r,400e:0)[400e,420r:1) 0@384r 1@400e
;
; The early-clobber instruction is an str:
;
; early-clobber %12 = t2STR_PRE %6, %12, 32, 14, %noreg
;
; This tests that shrinkToUses handles the EC redef correctly.
%struct.Transform_Struct.0.11.12.17.43.46.56.58.60 = type { [4 x [4 x double]] }
define void @Compute_Axis_Rotation_Transform(%struct.Transform_Struct.0.11.12.17.43.46.56.58.60* nocapture %transform, double* nocapture %V1, double %angle) nounwind {
entry:
store double 1.000000e+00, double* null, align 4
%arrayidx5.1.i = getelementptr inbounds %struct.Transform_Struct.0.11.12.17.43.46.56.58.60, %struct.Transform_Struct.0.11.12.17.43.46.56.58.60* %transform, i32 0, i32 0, i32 0, i32 1
store double 0.000000e+00, double* %arrayidx5.1.i, align 4
%arrayidx5.2.i = getelementptr inbounds %struct.Transform_Struct.0.11.12.17.43.46.56.58.60, %struct.Transform_Struct.0.11.12.17.43.46.56.58.60* %transform, i32 0, i32 0, i32 0, i32 2
store double 0.000000e+00, double* %arrayidx5.2.i, align 4
%arrayidx5.114.i = getelementptr inbounds %struct.Transform_Struct.0.11.12.17.43.46.56.58.60, %struct.Transform_Struct.0.11.12.17.43.46.56.58.60* %transform, i32 0, i32 0, i32 1, i32 0
store double 0.000000e+00, double* %arrayidx5.114.i, align 4
%arrayidx5.1.1.i = getelementptr inbounds %struct.Transform_Struct.0.11.12.17.43.46.56.58.60, %struct.Transform_Struct.0.11.12.17.43.46.56.58.60* %transform, i32 0, i32 0, i32 1, i32 1
store double 1.000000e+00, double* %arrayidx5.1.1.i, align 4
store double 0.000000e+00, double* null, align 4
store double 1.000000e+00, double* null, align 4
store double 0.000000e+00, double* null, align 4
%call = tail call double @cos(double %angle) nounwind readnone
%call1 = tail call double @sin(double %angle) nounwind readnone
%0 = load double, double* %V1, align 4
%arrayidx2 = getelementptr inbounds double, double* %V1, i32 1
%1 = load double, double* %arrayidx2, align 4
%mul = fmul double %0, %1
%sub = fsub double 1.000000e+00, %call
%mul3 = fmul double %mul, %sub
%2 = load double, double* undef, align 4
%mul5 = fmul double %2, %call1
%add = fadd double %mul3, %mul5
store double %add, double* %arrayidx5.1.i, align 4
%3 = load double, double* %V1, align 4
%mul11 = fmul double %3, undef
%mul13 = fmul double %mul11, %sub
%4 = load double, double* %arrayidx2, align 4
%mul15 = fmul double %4, %call1
%sub16 = fsub double %mul13, %mul15
store double %sub16, double* %arrayidx5.2.i, align 4
%5 = load double, double* %V1, align 4
%6 = load double, double* %arrayidx2, align 4
%mul22 = fmul double %5, %6
%mul24 = fmul double %mul22, %sub
%sub27 = fsub double %mul24, undef
store double %sub27, double* %arrayidx5.114.i, align 4
ret void
}
declare double @cos(double) nounwind readnone
declare double @sin(double) nounwind readnone